If you select a tribe in Nether then the general XP you earn contributes towards how well that tribe likes you increasing how well you are known. If you go to Lake Side and switch tribes does this level reset? If not does the bonus reset?
For example, I'm in STKR and I'm Well Known so I get a 10% XP bonus for any XP I get. If I joined H.O.P.E would I still get 10% for tasks such as package delivery, or repairing Anti-Nether Devices? I know I wouldn't for general XP such as killing a Nether.